Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 463: | \[{8^{463}-1\over7}\] | 11113 × 3407681 × 8969259151<10> × 448747600991881<15> × 1582530534046275752761<22> × 239932071009857681156251129<27> × 385606580062688087218266143<27> × 22335531850512049331378221292233833562609<41> × 15148264043785111348665069495360623752616947973471649653354617<62> × 255607137005413683253708948180961052441536127503334851250664918571377406476478198669607879665924698815671955287095941397562764113095938577026785302973384830117591734516742662503527292198695518803351730336561<207> |